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Table 7-10-4. Water Quality Criteria (Source: National Academy of Sciences, 1974"). <br />LJ <br /> <br />Parameter <br />(total form) <br />Drinking Water <br />(mg/liter) Criteria for <br />Livestock Aquatic Life <br />(mg/liter) (mg/liter) <br />Irrigation <br />(rng/liter) <br />Aluminum -- B.0 -- 5.0 <br />Antimony -- -- -- -- <br />Arsenic 0.051 0.2 -- O.ltt <br />Barium 1.0 -- -- -- <br />Beryllium -- -- 0.011-1.10011 0.1-0.5tt <br />Boron -- 5.0 -- 0.75it <br />Bromine -- -- -- -- <br />Cadmium O.Olt 0.05 0.0004-0.01211 0.01 <br />Chlorides 25011 2000.Ottfi -- -- <br />Chromium 0.051 1.0 O.ltt 0.1 <br />Copper 1.011 0.5 AF 0.2 <br />Cyanide 0.2 -- 0.005 -- <br />Dissolved Oxygen -- -- 5.0 -- <br />Fluoride 1.4-2.4t 2.0 -- 1.0 <br />Iron 0.311 -- 1.011 5.0 <br />Lead 0.051 0.05-0.1 0.03 5.0 <br />Lithium -- -- -- 2.5 <br />Manganese O.OStt -- -- 2 <br />0 <br />Mercury 0.0021 0.01 0.05ug/ltt _ <br />Molybdenum -- -- -- 0.01 <br />Nickel -- -- AF 0.2 <br />Nitrate Nitrogen lO.Ot 100.0 -- -- <br />Nitrite Nitrogen 1.0 10.0 -- -- <br />pH 5.0-9.0 6.0-9.Ottt 6.5-9.0 4.5-9.Ott <br />Selenium O.Olt 0.05 -- 0.02 <br />Silver 0.051 -- -- -- <br />Sulfates 250fit 3000ttt -- -- <br />Total Dissolved <br />Solids 50011 5000fit 15,00011 AFtfi <br />Vanadium -- 0.1 -- 0.1 <br />Zinc S.Ott 25.0 AF 2.0 <br />* - Those parameters for which drinking water regulations (1976a) or quality <br />criteria (1976b) have been established by the U.S. Environmental Protection <br />Agency are specially indicated, and in this table replace the older NAS <br />recommended levels. <br />t - V.S. Environmental Protection Agency (1975b). <br />tt - V.S. Environmental Protection Agency (1976b). <br />ttt - Wyoming DEQ/LQD (1977). <br />• AF - Application factor; indicates criterion for this parameter must be sepa- <br />rately established for each water body or irrigation use. <br />7-10-5 Revised September 28, 1984 <br />